An airplane’s altitude changed − 378 feet over 7 minutes. what was the mean change of altitude in feet per minute?

Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.

Im gonna fail 7th grade selective breeding 1. creates offspring which are genetically identical to the parent 2. is the process of breeding only organisms with desirable traits 3. involves the removal of the nucleus of a cell 4. combines traits from organisms of different species

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.